252626339639 has 8 divisors (see below), whose sum is σ = 261995885760. Its totient is φ = 243300679776.

The previous prime is 252626339621. The next prime is 252626339687. The reversal of 252626339639 is 936933626252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252626339639 - 2³² = 248331372343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252626339689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10959839 + ... + 10982864.

It is an arithmetic number, because the mean of its divisors is an integer number (32749485720).

Almost surely, 2^252626339639 is an apocalyptic number.

252626339639 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

252626339639 is a deficient number, since it is larger than the sum of its proper divisors (9369546121).

252626339639 is a wasteful number, since it uses less digits than its factorization.

252626339639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21943129.

The product of its digits is 18895680, while the sum is 56.

The spelling of 252626339639 in words is "two hundred fifty-two billion, six hundred twenty-six million, three hundred thirty-nine thousand, six hundred thirty-nine".